Calum, who was partying at We Are FSTVL 2015 in Upminister, London, shared a photo with fans as he confirmed he and Ianthe are very much back on.
Calum, who has previously described Ianthe as his "first love", captioned the snap: "Love this woman @IantheRose."
In the photo, former Made In Chelsea star Ianthe planted a kiss on Calum's cheek while the pair were backstage.
Nearly two weeks ago, Celebrity Big Brother star Calum and model Ianthe confirmed that they had to go their "separate ways" after nine months of dating.
However, a week later, it was revealed that the couple reunited. A source told the Sun that their brief split came following an argument, but after Calum "cooled down he began to think it was a mistake."
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